eyeglasses

Abstract

Eyeglasses are provided with temples that are constructed of a metal, preferably a memory alloy like beta alumina. The temples exhibit corrugations, or folds, along the the temple, at a point proximal to the pivot pin of the hinge where the temples are secured to the frame. The corrugations may be in any direction, including the longitudinal axis of the temple. The temples, due to the corrugations, are sufficiently flexible to adapt to the shape and width of the wearer's head, but retain their shape, and consequently urge the glasses, once put on, against the head of the wearer. This tends to retain the glasses on the head of the wearer against forces that tend to dislodge those glasses, such as gravity, or inertia when the wearer moves her head. The combination of metal temple and corrugations provide for a comfortable eyeglass which can be worn with confidence.

1 . An eyeglass for the head of a wearer, comprised of a frame, lenses retained by said frame, and one temple at either terminus of said frame, connected to said frame by a hinge which permits partial rotation of said temples outward from said frame, wherein said temple is comprised of a metal, and said temple is comprised of corrugations along the length of said temple at a location proximal to said hinge. 
   
   
       2 . The eyeglass of  claim 1 , wherein said corrugations are provided distanced from but proximal too a pivot point in said hinge about which said temple rotates through ninety degrees of arc. 
   
   
       3 . The eyeglasses of  claim 1 , wherein said corrugations comprise folds in said metal of said temple, sufficient to confer on said temple sufficient flexibility to comfortably accommodate the head of the wearer while urging said temple against the head of said wearer, such that the glasses resist forces tending to dislodge them from the head of the wearer. 
   
   
       4 . The eyeglasses of  claim 1 , wherein said metal is a memory alloy. 
   
   
       5 . The eyeglasses of  claim 1 , wherein said lenses are selected from the group consisting of corrective lenses, sun protective lenses, photochromic lenses and aesthetically pleasing lenses. 
   
   
       6 . The eyeglasses of  claim 1 , wherein said frame and hinges are comprised of said metal. 
   
   
       7 . The eyeglasses of  claim 4 , wherein said alloy is beta titanium.